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- In experiment 3, the roughage intake ad libitum by sheep was negativelycorrelated with concentrate levels in diet (r~0.95 1). 本试验还显示，绵羊饲喂精料量不同，对粗饲料的采食量却是一定值。
- Hansen says a safe atmospheric concentration level was passed 20 years ago. 汉森说，大气密度的安全标准20年前就已超过了。
- The browning rates of NAA1.2mg/L were the highest among the three NAA concentration levels. 6－BA在0.;2，0
- However, the CONEG model legislation also provides exceptions to these concentration levels. 但是;法律还规定示范coneg这些例外浓度.
- Abstract： Lolium perenne was treated with plant growth regulator- PP333 and CCC at different concentration levels. 摘要：分别采用不同浓度的PP333(多效唑)、CCC（矮壮素）对黑麦草进行叶面喷施处理。
- The content levels of OCPs tended to be DDTs>HCHs, and characterized by higher concentration levels in SPMs and lower in surface sediments. 研究表明;OCPs的含量水平有DDTs>HCHs的趋势; 悬浮物中污染物浓度高于表层沉积物.
- I need to import my "summer concentration levels" into winter, but short of emigrating to warmer climes, I don't know what to do. 所以，我极需将夏日高度集中的注意力注入冬季，然而我又不知该如何着手。
- Without adequate rest, the brain’s ability to function quickly deteriorates: concentration levels drop and memory becomes impaired. 如果没有适当的休息，大脑功能就会迅速下降：精力变得不集中，记忆力衰退。
- Target analytes can be sampled form trace or small amount concentration level by using CUSDT SPME syringe. CUSDT固相微萃取管可以从痕量或微量浓度把目标分析物提取出来。
- It's too hot to concentrate on book. 热得不能集中心思看书。
- In this regard, our annual average concentration level of RSP is comparable to those of the more polluted cities but not among the worst. 在这方面,我们的可吸入悬浮粒子含量水平,以全年平均计,与其他染情况较为严重的城市相若,但不在最差之列。
- I must concentrate my energies on decorating today. 我今天必须集中精力搞装饰。
- Methods: Different concentration levels of LMOP suspension were used to B16F1 murine melanoma cells in vitro, and comparing with 8-MOP liquors on the same concentration levels. 方法：将8-甲氧补骨脂素脂质体(LMOP)悬液作用于体外培养的小鼠B16F1黑素瘤细胞，并与等浓度的8-甲氧补骨脂素(8-MOP)溶液作比较，用四甲基偶氮唑蓝(MTT)比色法测定细胞增殖情况；
- I can't concentrate on my work when I'm tired. 我累了就无法集中精力工作。
- Don't put me off when I'm trying to concentrate. 我正要集中注意力呢，别打搅我。
- We must concentrate our attention on efficiency. 我们必须把注意力集中在效率上。
- To find the concentration level of organochlorine pesticides(OCPs) in surface dediments of Lake Nansihu,13 kinds of OCPs were detected by GC-ECD method. 利用气相色谱-电子俘获检测(GC-ECD)方法对南四湖表层沉积物中13种有机氯农药进行了分析测定。
- She couldn't concentrate on a book very long. 她不能长时间专心读一本书。
- Business bounced back to prewar levels. 商业回升到战前的水平。
- I must concentrate upon my work now. 我现在必须集中精力工作。
